.pinyin{
  border:0;
  border-top:1px solid #ccc;
  height:30px;
  display: flex;
  align-items: center;
}
.line{
  border-top:1px solid #ccc;
  border-bottom:1px solid #ccc;
  height:10px;
  width:50px;
}
.word{
  height:50px;
  text-align: center;
  line-height: 50px;
  font-size: 20px;
  border:1px solid red;
}